.zongs {
  width: 100vw;
  height: 100vh;
  background-color: #f2f2f2;
  .nav {
    width: 100vw;
    background-color: #ffffff;
  }
  .nei {
    width: 100vw;
    margin-top: 10px;
    background-color: #ffffff;
  }
}
